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Spring-Back Simulation Of Unidirectional Carbon/Epoxy L-Shaped Laminate Composites Manufactured Through Autoclave Processing

Mohd Narizee, Mohd Nasir and Laurent, Mezeix and Yulfian, Aminanda and M. A., Seman and Ahmad, Rivai and K. M., Ali (2016) Spring-Back Simulation Of Unidirectional Carbon/Epoxy L-Shaped Laminate Composites Manufactured Through Autoclave Processing. IOP Conference Series: Materials Science And Engineering, 114. pp. 1-11. ISSN 1757-8981

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Abstract

This paper presents an original method in predicting the spring-back for composite aircraft structures using non-linear Finite Element Analysis (FEA) and is an extension of the previous accompanying study on flat geometry samples. Firstly, unidirectional prepreg lay-up samples are fabricated on moulds with different corner angles (30o, 45o and 90o) and the effect on spring-back deformation are observed. Then, the FEA model that was developed in the previous study on flat samples is utilized. The model maintains the physical mechanisms of spring-back such as ply stretching and tool-part interface properties with the additional mechanism in the corner effect and geometrical changes in the tool, part and the tool-part interface components. The comparative study between the experimental data and FEA results show that the FEA model predicts adequately the spring-back deformation within the range of corner angle tested.

Item Type: Article
Subjects: T Technology > T Technology (General)
Divisions: Faculty of Mechanical Engineering > Department of Structure and Materials
Depositing User: Mohd Hannif Jamaludin
Date Deposited: 29 Sep 2016 06:29
Last Modified: 29 Sep 2016 06:29
URI: http://eprints.utem.edu.my/id/eprint/17274

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